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L778149 Single Cones (Imperial)

L778149 Single Cones (Imperial)

The L778149 is a single-row tapered roller bearing cone with a 23-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 271,000 lbf and static loads up to 659,000 lbf.

Its open design allows for easy maintenance, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large vehicles where combined loads are common.

With standard radial clearance and ABEC-1 rating, it offers a balance of precision and durability. Compliant with RoHS and REACH standards for safe use.

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    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number L778149
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number L778149-L778110
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 23"
  • Bore Dia Tolerance +0.001" to 0
  • Cone Width 2.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 23.74"
  • Cone Backface Backing Diameter 23.86"
  • Cage Cone Frontface Clearance 0.31"
  • Cage Cone Backface Clearance 0.14"
  • Effective Center Location 2.71"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 271000 lbf
  • Static Radial Load 659000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 70300 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 472000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 57200 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 122000 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Is L778149 Bearing Engineered for Reliability?

L778149 Bearing features chrome steel rings and a steel cage, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 271,000 lbf, making it suitable for heavy-duty applications.
The tapered roller design provides smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Application

Industrial Uses of L778149 Bearing
L778149 Bearing is commonly used in heavy machinery, such as mining equipment and construction vehicles, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is L778149 Bearing Used?
You’ll find L778149 Bearing in large industrial gearboxes, where its high dynamic radial load capacity keeps operations running smoothly. Its inch sizing makes it a reliable choice for machinery designed to imperial standards.

Built for Heavy-Duty Use: L778149 Bearing
L778149 Bearing excels in applications like agricultural machinery, where its robust design withstands constant stress. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of L778149 Bearing
In automotive systems, L778149 Bearing supports heavy axles and drivetrains, while in aerospace, it’s used in landing gear assemblies. Its high static radial load rating ensures reliability in both fields.

Key Fields for L778149 Bearing
L778149 Bearing is ideal for railway applications, such as freight car wheel assemblies, where its tapered rollers manage heavy loads. The steel cage adds stability, making it a dependable choice for long-haul transport.

Q&A

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